If a Payroll Tax of $X Per Hour Is Collected $\frac { 1 } { 2 }$

Multiple Choice

If a payroll tax of $X per hour is collected from employers,then the

A) labor demand curve shifts down by $\frac { 1 } { 2 }$ $X at any given employment level.
B) labor demand curve shifts down by amount $X at any given employment level.
C) labor supply curve shifts left by $X at any given employment level.
D) labor supply curve shifts down by $X at any given employment level.